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llvm-project/llvm/test/CodeGen/ARM/ifcvt2.ll

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Change some ARM subtarget features to be single bit yes/no in order to sink them down to MC layer. Also fix tests. llvm-svn: 134590
2011-07-07 11:55:05 +08:00
; RUN: llc < %s -march=arm -mattr=+v4t | FileCheck %s
Added some if-conversion tests. llvm-svn: 37672
2007-06-21 02:26:15 +08:00
define i32 @t1(i32 %a, i32 %b, i32 %c, i32 %d) {
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $NAME; then TEMP=`mktemp -t temp` cp $NAME $TEMP sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \ while read FUNC; do sed -i '' "s/;\(.*\)\([A-Za-z0-9_-]*\):\( *\)$FUNC: *\$/;\1\2-LABEL:\3$FUNC:/g" $TEMP done sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done llvm-svn: 186280
2013-07-14 14:24:09 +08:00
; CHECK-LABEL: t1:
Allow ARM if-converter to be run after post allocation scheduling. - This fixed a number of bugs in if-converter, tail merging, and post-allocation scheduler. If-converter now runs branch folding / tail merging first to maximize if-conversion opportunities. - Also changed the t2IT instruction slightly. It now defines the ITSTATE register which is read by instructions in the IT block. - Added Thumb2 specific hazard recognizer to ensure the scheduler doesn't change the instruction ordering in the IT block (since IT mask has been finalized). It also ensures no other instructions can be scheduled between instructions in the IT block. This is not yet enabled. llvm-svn: 106344
2010-06-19 07:09:54 +08:00
; CHECK: bxlt lr
Added some if-conversion tests. llvm-svn: 37672
2007-06-21 02:26:15 +08:00
%tmp2 = icmp sgt i32 %c, 10
%tmp5 = icmp slt i32 %d, 4
%tmp8 = or i1 %tmp5, %tmp2
%tmp13 = add i32 %b, %a
br i1 %tmp8, label %cond_true, label %UnifiedReturnBlock
cond_true:
%tmp15 = add i32 %tmp13, %c
%tmp1821 = sub i32 %tmp15, %d
ret i32 %tmp1821
UnifiedReturnBlock:
ret i32 %tmp13
}
define i32 @t2(i32 %a, i32 %b, i32 %c, i32 %d) {
Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $NAME; then TEMP=`mktemp -t temp` cp $NAME $TEMP sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \ while read FUNC; do sed -i '' "s/;\(.*\)\([A-Za-z0-9_-]*\):\( *\)$FUNC: *\$/;\1\2-LABEL:\3$FUNC:/g" $TEMP done sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done llvm-svn: 186280
2013-07-14 14:24:09 +08:00
; CHECK-LABEL: t2:
Allow ARM if-converter to be run after post allocation scheduling. - This fixed a number of bugs in if-converter, tail merging, and post-allocation scheduler. If-converter now runs branch folding / tail merging first to maximize if-conversion opportunities. - Also changed the t2IT instruction slightly. It now defines the ITSTATE register which is read by instructions in the IT block. - Added Thumb2 specific hazard recognizer to ensure the scheduler doesn't change the instruction ordering in the IT block (since IT mask has been finalized). It also ensures no other instructions can be scheduled between instructions in the IT block. This is not yet enabled. llvm-svn: 106344
2010-06-19 07:09:54 +08:00
; CHECK: bxgt lr
; CHECK: cmp
; CHECK: addge
; CHECK: subge
; CHECK-NOT: bxge lr
; CHECK: bx lr
Added some if-conversion tests. llvm-svn: 37672
2007-06-21 02:26:15 +08:00
%tmp2 = icmp sgt i32 %c, 10
%tmp5 = icmp slt i32 %d, 4
%tmp8 = and i1 %tmp5, %tmp2
%tmp13 = add i32 %b, %a
br i1 %tmp8, label %cond_true, label %UnifiedReturnBlock
cond_true:
%tmp15 = add i32 %tmp13, %c
%tmp1821 = sub i32 %tmp15, %d
ret i32 %tmp1821
UnifiedReturnBlock:
ret i32 %tmp13
}